CA989025A - Dispersive delay devices - Google Patents

Dispersive delay devices

Info

Publication number
CA989025A
CA989025A CA182,584A CA182584A CA989025A CA 989025 A CA989025 A CA 989025A CA 182584 A CA182584 A CA 182584A CA 989025 A CA989025 A CA 989025A
Authority
CA
Canada
Prior art keywords
delay devices
dispersive delay
dispersive
devices
delay
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA182,584A
Other versions
CA182584S (en
Inventor
Wilfrid S. Mortley
Stanley F. Clarke
Stuart N. Radcliffe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BAE Systems Electronics Ltd
Original Assignee
Marconi Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Marconi Co Ltd filed Critical Marconi Co Ltd
Application granted granted Critical
Publication of CA989025A publication Critical patent/CA989025A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/30—Time-delay networks
    • H03H9/42—Time-delay networks using surface acoustic waves
    • H03H9/44—Frequency dependent delay lines, e.g. dispersive delay lines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/26—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave
    • G01S13/28—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses
    • G01S13/282—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein the transmitted pulses use a frequency- or phase-modulated carrier wave with time compression of received pulses using a frequency modulated carrier wave
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6489—Compensation of undesirable effects
    • H03H9/6493—Side lobe suppression

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
CA182,584A 1972-10-05 1973-10-03 Dispersive delay devices Expired CA989025A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4591872A GB1389337A (en) 1972-10-05 1972-10-05 Dispersive delay devices

Publications (1)

Publication Number Publication Date
CA989025A true CA989025A (en) 1976-05-11

Family

ID=10439094

Family Applications (1)

Application Number Title Priority Date Filing Date
CA182,584A Expired CA989025A (en) 1972-10-05 1973-10-03 Dispersive delay devices

Country Status (4)

Country Link
US (1) US3898591A (en)
CA (1) CA989025A (en)
FR (1) FR2202406B1 (en)
GB (1) GB1389337A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5330848A (en) * 1976-09-03 1978-03-23 Murata Manufacturing Co Surface acoustic wave device
US6366627B1 (en) * 1983-09-28 2002-04-02 Bae Systems Information And Electronic Systems Integration, Inc. Compressive receiver with frequency expansion
US5079735A (en) * 1990-02-20 1992-01-07 Sanders Associates, Inc. High-dynamic-range compressive receiver
US20070245948A1 (en) * 2006-04-20 2007-10-25 Paulin Thomas L Bookmark

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3281842A (en) * 1963-01-16 1966-10-25 Sperry Rand Corp Electronic means for suppressing range side lobes of a compressed pulse signal
US3150368A (en) * 1963-03-25 1964-09-22 Richard C Price Pulse compression residue blanking

Also Published As

Publication number Publication date
GB1389337A (en) 1975-04-03
FR2202406A1 (en) 1974-05-03
FR2202406B1 (en) 1976-05-14
US3898591A (en) 1975-08-05

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